There are total 3 hours or 180 minutes from 7pm to 10pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 10AM to 9AM | 4PM to 8PM | 5AM to 3AM |
| 4AM to 5PM | 10PM to 2PM | 3PM to 12PM |
| 8AM to 3PM | 5PM to 9PM | 2AM to 12PM |
| 2PM to 8PM | 7AM to 11PM | 12AM to 1AM |
| 5PM to 2PM | 6PM to 4AM | 7PM to 2PM |
| 3PM to 7PM | 12AM to 11PM | 12PM to 9AM |
